Home / 147,644.76-221,496.32-54,151.32

Finding the Fourth Proportional to 147,644.76, 221,496.32 and 54,151.32

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Solution

The fourth proportional to 147,644.76, 221,496.32 and 54,151.32 is: 81,237.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,644.76 : 221,496.32 = 54,151.32 : x
  2. Step 2: Convert to fraction form
    147,644.76/221,496.32 = 54,151.32/x
  3. Step 3: Cross multiply
    147,644.76x = 221,496.32 × 54,151.32
  4. Step 4: Simplify right side
    147,644.76x = 11,994,318,103.14
  5. Step 5: Solve for x
    x = 11,994,318,103.14/147,644.76
  6. Step 6: Final answer
    x = 81,237.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.